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Note 11 - Comprehensive Income (Tables) | 12 Months Ended
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Apr. 30, 2021
Notes Tables |
Comprehensive Income (Loss) [Table Text Block] |
|  | Fiscal Year Ended April 30, 2021 |
($ in thousands) |  | Amount Before Tax |  |  | Tax (Expense) / Benefit |  |  | Amount Net of Tax |
Change in unrealized gains on available-for-sale fixed income securities |  | $ | (173 | ) |  | $ | 45 |  |  | $ | (128 | )
|  | $ | (173 | ) |  | $ | 45 |  |  | $ | (128 | )
|  | Fiscal Year Ended April 30, 2020 |
($ in thousands) |  | Amount Before Tax |  |  | Tax (Expense) / Benefit |  |  | Amount Net of Tax |
Change in unrealized gains on available-for-sale fixed income securities |  | $ | 134 |  |  | $ | (37 | ) |  | $ | 97 |
|  | $ | 134 |  |  | $ | (37 | ) |  | $ | 97 |
|  | Fiscal Year Ended April 30, 2019 |
($ in thousands) |  | Amount Before Tax |  |  | Tax (Expense) / Benefit |  |  | Amount Net of Tax |
Change in unrealized gains on available-for-sale fixed income securities |  | $ | 46 |  |  | $ | (10 | ) |  | $ | 36 |
|  | $ | 46 |  |  | $ | (10 | ) |  | $ | 36 |

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e526-108580 + Details
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- References No definition available. + Details
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